Rockwell Automation Publication 750-IN100B-EN-P - July 2017 37
Prepare for Installation Chapter 3
Structural Steel System
Enclosures can be mounted to structural steel that is anchored to concrete and
meet the following specifications and minimum dimensions.
• Material: ASTM A-36 / ASME SA36, or equivalent
Figure 12 - Structural Steel Beam Cross-sections
Structural Steel Mounting Configurations
Enclosures can be mounted directly to structural steel beams by using M12-
1.75 screws threaded into the threaded corner holes. The enclosures must be
secured to the anchor bolts in all four corners by using M12 nuts and lock
washers. Secure the steel beam to the concrete floor by using M12 (0.5 in.)
anchor bolts.
Figure 13 - Structural Steel Mounting Cross-section
Table 6 - Steel Beam Dimensions
Style Depth (d)
mm (in.)
Width (b)
mm (in.)
Thickness (tw)
mm (in.)
Flange (tf)
mm (in.)
Wide Flange Beam 100 (4.0) 100 (4.0) 7.6 (0.3) 10.2 (0.4)
Channel Beam 100 (4.0) 43 (1.7) 7.6 (0.3) 7.6 (0.3)
b
d
b
tw
Wide Flange Beam Channel Beam
Debris Plug
M12 Bolt
Lock Washer
M12 Nut
M12
Anchor Bolt
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